2 x 4 =
8
A shape that has no edges and no corners.
circle
What 3D shape is like a ball?
sphere
How do we call a 90° angle?
right angle
12 + 29 =
41
3 x 6 =
18
A shape that has 3 edges, 3 angles, and 3 vertices.
triangle
What 3D shape is like a birthday hat?
cone
How do we call a closed-angle?
acute angle
15 + 79 =
94
2 x 9 =
18
A shape that has five angles and five sides.
pentagon
What 3D shape is like a Kleenex box?
rectangular prism
How do we call an opened-angle?
obtuse angle
26 + 59 =
85
3 x 3 =
9
A shape that has six sides and six angles.
hexagon
What 3D shape is like an Aztec Pyramid?
pyramid
How do we call a wide-open angle?
straight angle
34 + 27 =
61
2 x 5 =
10
A shape that has eight angles and eight sides.
octagon
What 3D shape is like a box?
cube
what kind of angles does a book have?
right angles
41 + 38 =
79